Towards:#125155
similar to :

• Remove more getters from userMessages class #182166

Pre-launch Checklist

• I read theContributor Guide and followed the process outlined there for submitting PRs.
• I read theTree Hygiene wiki page, which explains my responsibilities.
• I read and followed theFlutter Style Guide, includingFeatures we expect every widget to implement.
• I signed theCLA.
• I listed at least one issue that this PR fixes in the description above.
• I updated/added relevant documentation (doc comments with///).
• I added new tests to check the change I am making, or this PR istest-exempt.
• I followed thebreaking change policy and addedData Driven Fixes where supported.
• All existing and new tests are passing.

If you need help, consider asking for advice on the #hackers-new channel onDiscord.

Note: The Flutter team is currently trialing the use ofGemini Code Assist for GitHub. Comments from thegemini-code-assist bot should not be taken as authoritative feedback from the Flutter team. If you find its comments useful you can update your code accordingly, but if you are unsure or disagree with the feedback, please feel free to wait for a Flutter team member's review for guidance on which automated comments should be addressed.